Primes / Is 29 prime?

Is 29 a Prime Number?

Yes

29 is prime: for 29, testing every prime up to √29 ≈ 5.4 (namely 2, 3, 5) finds no divisor. 29 sits between primes 23 and 31, 6 below and 2 above. 29 shares no factor with 2-12; 29's divisors start beyond that range. 29 is odd, digit sum 11 for 29, digital root 2 for 29. 29 has 5 primes within 10 of 29.